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CN-121984206-A - Shared reserve one-body energy power supply and distribution system and control method thereof

CN121984206ACN 121984206 ACN121984206 ACN 121984206ACN-121984206-A

Abstract

The application discloses a shared reserve one-body energy supply and distribution system and a control method thereof, wherein the system is suitable for a data center and comprises a bus, a step-up transformer, an alternating current bus, an energy storage bidirectional converter, a direct current bus cabinet, a high-voltage box and battery clusters which are sequentially connected, wherein the high-voltage box and the battery clusters are respectively provided with a plurality of batteries and are in one-to-one correspondence, the bus is connected with the data center through a bus switch, each battery cluster is respectively connected with an online direct current bus through a DC/DC conversion module, the battery clusters are respectively in one-to-one correspondence with the DC/DC conversion module, and the online direct current bus is connected with the data center. The application can effectively improve the utilization rate of the reserved energy, can effectively be compatible with various power supply and distribution system architectures, and does not need to be additionally modified and upgraded. The supply chain of the system is complete, the investment cost is low, and the popularization and the application are convenient.

Inventors

  • TANG SHUAI

Assignees

  • 深圳市雄韬电源科技股份有限公司

Dates

Publication Date
20260505
Application Date
20260206

Claims (10)

  1. 1. The shared reserve one-body energy supply and distribution system is characterized by being suitable for a data center and comprising a bus, a step-up transformer, an alternating current bus, an energy storage bidirectional converter, a direct current bus cabinet, a high-voltage box and battery clusters which are sequentially connected, wherein the high-voltage box and the battery clusters are arranged in a plurality, the high-voltage box and the battery clusters are arranged in one-to-one correspondence, the bus is connected with the data center through a bus switch, each battery cluster is connected with an online direct current bus through a DC/DC conversion module, the battery clusters are arranged in one-to-one correspondence with the DC/DC conversion module, and the online direct current bus is connected with the data center.
  2. 2. The shared reserve one-piece energy power supply and distribution system of claim 1, wherein the positive pole of the battery cluster is connected with the DC/DC conversion module; The bus is respectively connected with a distributed renewable energy source and a power grid, and is 10 kV-35 kV.
  3. 3. The shared reserve integrated energy power supply and distribution system of claim 1, wherein the data center comprises a power bus, a power supply transformer, a power supply alternating current bus, an AC/DC rectification module, a power supply direct current bus, a DC/DC direct current conversion module, a power distribution direct current bus and an IT load which are sequentially connected, wherein the power bus is connected with the bus switch, and wherein the power supply direct current bus is connected with the online direct current bus.
  4. 4. The shared reserve one-piece energy power supply and distribution system of claim 3, wherein a plurality of IT loads are provided, each of the IT loads is connected with the power distribution direct current bus through an IT switch, and the IT switches are provided in one-to-one correspondence with the IT loads.
  5. 5. The shared reserve one-piece energy power supply and distribution system according to claim 4 is characterized in that the power bus is a 10 kV-35 kV bus, the power bus is connected with mains supply, and the power bus is respectively connected with two paths of mains supply and one path of standby power supply.
  6. 6. The shared reserve energy power and distribution system of claim 4, further comprising an energy storage management system, wherein the energy storage management system is connected with the energy storage bidirectional converter, the high-voltage box and the battery cluster through a first communication line, the energy storage management system is connected with the power supply direct current bus through a second communication line, and the energy storage management system is connected with the online direct current bus through a third communication line.
  7. 7. The shared reserve one-power supply and distribution system of claim 6, wherein the energy storage bidirectional converter is connected with the first communication line through a fourth communication line, the high-voltage tank is connected with the first communication line through a fifth communication line, and the battery cluster is connected with the first communication line through a sixth communication line; the energy storage management system is connected with the power grid instruction through a zero communication line.
  8. 8. The shared reserve one-piece energy supply and distribution system of claim 6, further comprising a fire protection system connected to the first communication line by a seventh communication line; the shared reserve one-body energy power supply and distribution system further comprises a temperature control system, and the temperature control system is connected with the first communication line through an eighth communication line; the shared reserve one-body energy power supply and distribution system further comprises a water immersion and access control system, and the water immersion and access control system is connected with the first communication line through a ninth communication line.
  9. 9. The shared reserve one-piece energy power supply and distribution system of claim 1, wherein the battery cluster is one of a ternary lithium ion battery cluster, a lead-acid battery cluster and a sodium ion battery cluster, and the capacity of single batteries of the battery cluster is equal to or greater than 100Ah.
  10. 10. A control method, characterized in that it is implemented by a shared reserve one-power supply and distribution system according to any one of claims 1 to 9.

Description

Shared reserve one-body energy power supply and distribution system and control method thereof Technical Field The invention belongs to the technical field of power distribution systems, and particularly relates to a shared reserve one-body energy power supply and distribution system and a control method thereof. Background In recent years, with the requirements of energy conservation and emission reduction and the proposal of a double-carbon strategic goal, the global consensus of 'fossil energy removal' is generally formed. However, with the increase of AI (generation type artificial intelligence) computing power demands and the installation and deployment of AI acceleration chips such as GPU, FPGA, ASIC, the power required by IT (data computing device) loads is greatly improved, and the energy consumption problem of a data center is becoming a focus of attention. According to statistics of IEA (international energy agency), by 2030, global data center power consumption is expected to increase to 945TWh and to climb year by year. Under the situation, the green energy-saving data center is created, which is not only a necessary measure for meeting the urgent requirements of energy conservation and emission reduction, but also a key path for achieving the sustainable development goal. And, with the high-speed development of AI technology, make its power demand appear the explosive growth, lead to the power infrastructure construction and the synchronous rising of power consumption problem. Therefore, with the increase of AI computing power demands and the installation and deployment of high-performance computing power chips, IT load power is greatly improved, and the data center reserve integrated scheme is developed towards high power efficiency, high green electric access proportion, high construction efficiency and low Capex (capital expenditure). At present, the existing uninterrupted power supply and distribution system architecture scheme of the data center has the following defects or shortages that (1) 2 paths of mains supply and 1 path of standby power supply (diesel generator) are required to be built, redundancy is configured, and initial construction cost is high. (2) The power supply system needs to be subjected to multistage conversion, so that the efficiency is low and the failure rate is high. (3) are not compatible with both DC and AC IT load supplies. (4) Most of power supplies are in unidirectional conversion, so that the energy utilization rate is low. (5) The need to add additional conversion devices or reactive compensation devices results in high construction costs for the power supply and distribution system. (6) The HVDC or Panama power supply scheme industry is imperfect and lacks operation and maintenance experience. Disclosure of Invention The embodiment of the invention provides a shared reserve one-body energy power supply and distribution system and a control method thereof, and aims to solve the problems that an existing data center power supply and distribution system is redundant in configuration, high in construction cost, low in efficiency and high in fault rate, a power supply system is required to be subjected to multistage conversion, direct current and alternating current IT load power supply cannot be compatible at the same time, power supply sources are mainly subjected to unidirectional conversion, energy utilization rate is low and the like. The technical scheme is that the shared reserve one-source power supply and distribution system is suitable for a data center and comprises a bus, a step-up transformer, an alternating current bus, an energy storage bidirectional converter, a direct current bus cabinet, a high-voltage box and battery clusters which are sequentially connected, wherein the high-voltage box and the battery clusters are provided with a plurality of high-voltage boxes, the high-voltage boxes and the battery clusters are arranged in one-to-one correspondence, the bus is connected with the data center through a bus switch, each battery cluster is connected with an online direct current bus through a DC/DC conversion module, the battery clusters are arranged in one-to-one correspondence with the DC/DC conversion module, and the online direct current bus is connected with the data center. In a preferred embodiment, the positive electrode of the battery cluster is connected with the DC/DC conversion module, and the battery cluster comprises a plurality of battery packs connected in series. In the preferred implementation mode, the bus is respectively connected with a distributed renewable energy source and a power grid, and the bus is a10 kV-35 kV bus. As a preferable implementation mode, the distributed renewable energy source is photovoltaic or wind power, and the power grid is a 10 kV-35 kV power grid. The data center comprises a power bus, a power supply transformer, a power supply alternating current bus, an AC/DC rectifying module, a power supply